3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = <<<DATA {"foo": 1, "bar": "hello"} {"foo": 2, "bar": "cruel"} {"foo": 3, "bar": "world"} [1,2,3,4] DATA; $output = '[' . preg_replace('/([\]}])\s*([{[])/', '$1,$2', $input) . ']'; echo $output;

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43.1 ms | 402 KiB | 5 Q